Morning Edition · Thursday, October 22, 2026Published at 1:18 AM EDT · New York
Beijing says the curbs target Japanese "remilitarization," and at the London Metal Exchange's annual industry week aluminium gave back its war premium while copper stayed elevated.
An official at Japan's industry ministry said supplies of the rare earth yttrium have "stalled" and described a supply-demand crunch. The Financial Times reported that Tokyo is months away from running out. Japan has asked the US government and American companies to press Beijing to ease the controls. Japan warns that the shortage could cause severe disruption in the automotive, defence and chip industries, according to Mining.com.au. Manufacturers use yttrium in engine alloys and in heat-resistant coatings.
Beijing does not present the curbs as a trade dispute. On February 24, China's Ministry of Commerce placed 20 Japanese entities, including units of Mitsubishi Heavy Industries, on an export-control list, the official Xinhua site reported. It said the step was needed to stop Japan's "remilitarization and nuclear ambitions." Another 20 entities went on a watch list. Beijing restated that reasoning this week, Hong Kong's The Standard reported. The tightening followed remarks on Taiwan by Prime Minister Sanae Takaichi.
The wider metals market is separating war-linked premiums from structural demand. At the opening of the London Metal Exchange's annual industry week, OilPrice reported that aluminium had given up its war premium while copper stayed elevated. Delegates focused on AI and energy-transition demand and on how resilient critical-mineral supply chains are. Copper's strength comes from demand for power grids and data centres. Yttrium's shortage comes from one supplier deciding who may buy.
Part of a tracked trend
China's Rare-Earth Leverage
Beijing will keep using rare-earth export licensing as targeted coercion against states that cross its security lines, so importers pay recurring shortage premiums and fund slow, costly non-Chinese supply chains.
Non-Chinese rare-earth processors and yttrium stockholders gain pricing power. Beijing gains leverage over Tokyo's position on Taiwan without imposing a formal embargo on all buyers.
Beijing presents the curbs as security controls on named defence-linked firms (20 entities, including Mitsubishi Heavy Industries units). Trade data show something broader: no exports of yttrium, terbium, gallium or dysprosium to Japan in June. How the curbs are applied in practice, not their stated scope, decides the shortage.
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What this means
China is using rare-earth licensing to pressure a single country rather than all buyers. Japanese automakers, engine and turbine makers, and defence contractors are exposed through production stoppages. Non-Chinese processors and holders of yttrium stockpiles gain pricing power. Markets have treated rare-earth controls as a general bargaining chip in US-China talks. This case shows Beijing tightening against a specific country over a security dispute, and US pressure has no clear way to reverse it. The precedent is China's 2010 rare-earth embargo on Japan after the Senkaku boat collision. That episode caused a short price spike and led Japan to fund the Lynas supply chain over many years. The likelier outcome within months is Japanese production cuts in specialty coatings and alloys, plus emergency government funding for non-Chinese yttrium sources. A Beijing-Tokyo understanding on Taiwan language would be the only quick way to ease the shortage.
Synthesized from: The Japan Times (Business) · OilPrice
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